﻿// The MIT License (MIT)
//
// Copyright (c) 2019 Henk-Jan Lebbink
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

namespace AsmDude.ClearMefCache
{
    using System.Diagnostics.Contracts;
    using System.Threading.Tasks;
    using Microsoft.VisualStudio.Shell;
    using Microsoft.VisualStudio.Shell.Interop;

    public static class ComponentModelExtensions
    {
        public static async Task<string> GetFolderPathAsync(this IVsComponentModelHost componentModelHost)
        {
            Contract.Requires(componentModelHost != null);

            if (!ThreadHelper.CheckAccess())
            {
                await ThreadHelper.JoinableTaskFactory.SwitchToMainThreadAsync();
            }

            componentModelHost.GetCatalogCacheFolder(out string folderPath);
            return folderPath;
        }
    }
}
